//打开新的窗体
Response.Redirect("webMain.aspx");
//弹出一个新窗体
Response.WrITe("<script>window.open(\"webMain.aspx\")</script>")
//弹出一个只有确定按钮的提示框
Response.WrITe("<script>alert(\"用户名或密码错误\");</script>");
//关闭窗体不提示信息
Response.WrITe("<script>window.opener=null;window.close();</script>");
//关闭窗体提示一条信息
Response.WrITe("<script>window.close();</script>");
//关闭窗体提示两条信息
Response.WrITe("<script>if(confirm(\"确定退出?\")==true){window.close();}</script>");
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